CN103660550B - Inspection apparatus for sheet - Google Patents
Inspection apparatus for sheet Download PDFInfo
- Publication number
- CN103660550B CN103660550B CN201310415346.3A CN201310415346A CN103660550B CN 103660550 B CN103660550 B CN 103660550B CN 201310415346 A CN201310415346 A CN 201310415346A CN 103660550 B CN103660550 B CN 103660550B
- Authority
- CN
- China
- Prior art keywords
- sheet
- paper
- light
- ultraviolet
- shaped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007689 inspection Methods 0.000 title abstract description 17
- 239000000463 material Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 238000004020 luminiscence type Methods 0.000 abstract 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000015654 memory Effects 0.000 description 31
- 238000001514 detection method Methods 0.000 description 13
- 238000007639 printing Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N21/6456—Spatial resolved fluorescence measurements; Imaging
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
- G07D7/12—Visible light, infrared or ultraviolet radiation
- G07D7/121—Apparatus characterised by sensor details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0036—Devices for scanning or checking the printed matter for quality control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
- G07D7/12—Visible light, infrared or ultraviolet radiation
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Textile Engineering (AREA)
- Quality & Reliability (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention provides an inspection apparatus for a sheet, which can examine in detail the existence, profile and position of a print which is applied with penetrating processing. An inspection apparatus (40) for a sheet of paper (W) subjected to a process to impart a translucent property such as a '' watermark'' or a '' security window'' includes: an inspection cylinder (45) in which a surface facing the sheet of paper (W) is provided with a luminescence-producing portion (45a); UV-LED illuminators (41a, 41b) which irradiate the sheet of paper (W) with light containing the ultraviolet rays; a color camera (42) which images the sheet of paper (W); an ultraviolet cut filter (43) which eliminates the ultraviolet rays in the light emitted from the UV-LED illuminators (41a, 41b) and reflected off the sheet of paper (W) as well as the luminescence-producing portion (45a) and makes only the light having wavelengths longer than wavelengths of the ultraviolet rays incident on the color camera (42); and a control device (46) which determines appropriateness of a processed portion (PE) on the sheet of paper (W) having the translucent property on the basis of luminescence in a visible light range produced by the luminescence-producing portion (45a) and made incident on the color camera (42).
Description
Technical field
The present invention relates to be applied with the sheet-shaped inspection dress with the processing through characteristic such as watermark and security window
Put.
Background technology
The printed article such as bank note and marketable securities in order to false proof, in addition to common pattern part, mostly on paper and
Implement that there is watermark and security window for passing through characteristic etc. to process in paper inside.When watermark refers to that meeting light observes, present on paper
Go out brighter(It is then darker by the light reflected in dark background)The image that can be distinguished and lines, in the manufacture of the watermark
Cheng Zhong, using the pressing mold etc. of the metal for being coated with water, makes the thickness of paper of local change and form jut and recessed portion,
So as to lines is presented on paper.Additionally, in the watermark used on bank note etc., there is the special watermark for being referred to as Heisui River print.Due to
It conversely, employ the method that the part of watermark is thickeied into copy paper, can show deep or light level, so energy with general watermark
Present the same manifestation mode of drawing.On the other hand, security window is referred to does not carry out two sides base on transparent polymer paper
Print and the only transparent region of film at bottom.Sometimes portrait and word are also printed in the security window.
Therefore, for implementing the printed article of the processing such as watermark and security window, need to check that it whether there is, profile and position
Put.
Patent document 1:Japanese Laid-Open Patent Publication 2010-221410
But in the past, disclose patent document 1 etc. as the check device of the pattern part for checking common ink printing
Various technical schemes, without open for implementing the printing quality testing with the processing through characteristic such as watermark and security window
Look into its whether there is, the device of profile and position.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of sheet-shaped check device, can be for real
Applied the printed article with the processing through characteristic such as watermark and security window, detailed inspection its whether there is, profile and position.
It is to implement to have to add through characteristic for the sheet-shaped check device of the invention for solving the above problems
The sheet-shaped check device of work, it includes:Supporting member, utilizes with the sheet-shaped relative face and is irradiated by ultraviolet
When send visible region the material of light processed;Light source, to the sheet-shaped irradiation bag light with violet rays;Shooting
Device, shoots described sheet-shaped;Ultraviolet filter, by it is reflecting from described sheet-shaped and described supporting member, from
The ultraviolet cutoff of the light of the light source, only makes the incident camera head of light of the wavelength length of wavelength ratio ultraviolet;And control
Device processed, using the incident camera head, the light of visible region that sends from the supporting member, judges the thin slice
Whether the processing of the transmission characteristic of shape part is qualified.
According to the sheet-shaped check device of the present invention, by making the ultraviolet from light source irradiation watermark and peace are only transmitted
Full window etc. is irradiated in supporting member with the processing part through characteristic, so as in the shooting of camera head, due to
The processing department distributes light, and other parts are dimmed, it is possible to have passing through characteristic processing department to watermark and security window etc.
Point the presence or absence of, profile and position carry out detailed inspection.
Description of the drawings
Fig. 1 is the brief configuration figure of the check device of one embodiment of the invention.
Fig. 2 is the control block diagram of one embodiment of the invention.
Fig. 3 is the explanatory diagram of the pattern on the scraps of paper.
Description of reference numerals
40 check devices
41a, 41b UV-LED luminaires(Light source)
42 color cameras(Camera head)
42a lens
42b CCD(Charge Coupled Device, charge coupled cell)
43 ultraviolet cutoff wave filters(Ultraviolet filter)
44 scaffolds
45 check cylinder(Supporting member)
45a lights processing unit
46 control devices
50 benchmark memories
51 detection memories
52 decision level initialization circuits
53 comparison circuits
55 Memory Controllers
56 amplifiers
57 A/D converters
58 amendment circuits
59 CCD controllers
W paper(It is sheet-shaped)
The Wa scraps of paper(Bank note and marketable securities etc.)
PE has the processing part through characteristic
The pattern part that VE is printed with visual ink
Specific embodiment
Hereinafter, the sheet-shaped check device of the present invention is illustrated using accompanying drawing.
(Embodiment)
Fig. 1 is the brief configuration figure of the check device of one embodiment of the invention, and Fig. 2 is control block diagram.Additionally, Fig. 3 is
The explanatory diagram of the pattern on the scraps of paper.
As shown in figure 1, implementing watermark and security window etc. with the processing through characteristic by processor (not shown)
Paper(It is sheet-shaped)W, is passed to inspection cylinder(Supporting member:Can also be impression cylinder and transfer roller)45.It is described
The surface for checking cylinder 45 is provided with the luminous processing unit 45a of specific thickness, when the luminous processing unit 45a by ultraviolet by being irradiated
Luminous material process is formed.Luminous processing unit 45a preferably applies fluorescent paint or winding peace in the side face for checking cylinder 45
Dress includes the film of fluorescent dye or fluorescent paint to be processed.
Also, utilize and check the inspected of check device 40 that the side face of cylinder 45 the is oppositely arranged paper W of printing quality,
It is transported to after paper delivery unit by conveying device (not shown), is deposited on paper out station.
Check device 40 is used to check in paper W, watermark and security window etc. with the processing part through characteristic that it to be wrapped
Include:A pair of bag light with violet rays are irradiated to paper W(Can not also be paired)UV(Ultraviolet)- LED illuminator(Such as wavelength peak
It is worth the light source for 365nm)41a、41b;1 color camera(Camera head)42, shoot paper W;Ultraviolet cutoff wave filter(It is purple
Outer line filter)43, the UV regions i.e. ripple of the light from UV-LED luminaire 41a, 41b that paper W and inspection cylinder 45 are reflected
The long light in below 410nm ends, and only makes wavelength exceed the light incidence color camera 42 of ultraviolet wavelength;And control device
46, using incident color camera 42, from the wavelength that sends of luminous processing unit 45a for checking cylinder 45 exceed the ripple of ultraviolet
The light of long visible region, judges whether watermark and security window on paper W etc. are qualified with the processing part through characteristic.
Color camera 42 is relative to the center line for checking cylinder 45(Cylinder axis)It is arranged in normal direction N, and
On the position of imaging surface that paper W is shot from vertical direction, it is bearing on main machine frame (not shown) by scaffold 44.Separately
Outward, UV-LED luminaires 41a, 41b are also bearing on main machine frame by scaffold (not shown).Alternatively, it is also possible to examine
Look into device 40 to be arranged in the darkroom being provided separately with printing machine.
Then, the optical texture and electrical structure of the check device 40 of the present embodiment are illustrated using Fig. 2.Check device 40 has
It is standby:The above-mentioned color camera 42 and control device 46 of paper W are shot, the control device 46 is according to the color camera 42
Shooting output come check on paper W process with the processing part through characteristic.Color camera 42 has comprising lens 42a
Optical system and CCD(Charge Coupled Device, charge coupled cell)42b, the CCD42b will be by described
The image of optical system imaging is converted to electric signal.
Control device 46 includes:Benchmark memory 50, Memory Reference picture signal;Detection memory 51, storage detection figure
As signal;Memory Controller 55, controls the write and reading to benchmark memory 50 and detection memory 51;Decision level sets
Determine circuit 52, set two signals reading from benchmark memory 50 and detection memory 51 allows level difference;Comparison circuit
53, it is considered to which what is set in decision level initialization circuit 52 allows level difference, and two signals are compared;Amplifier 56, will
The output of CCD42b is amplified;A/D converter 57, will be defeated to Memory Controller 55 after the output Analog-digital Converter of amplifier 56
Go out;Amendment circuit 58, adjusts the gain of amplifier 56;And CCD controllers 59, control CCD42b.
When printing work starts, benchmark memory 50 store from paper W normal process with through characteristic plus
The reference image data that the Ministry of worker point reads in.In addition, benchmark memory 50 stores the different reference image data of each printing work.
Detection memory 51 stores the inspection image data read in from the paper W as check object.
Memory Controller 55 controls the data write to benchmark memory 50 and detection memory 51 and reads.Judge electricity
Flat initialization circuit 52 presets the reference image data read from benchmark memory 50 with the inspection read from detection memory 51
Allow level difference between altimetric image data.
When the reference image data read by Memory Controller 55 and the level difference of inspection image data are reached by judging
When allowing more than level difference of the setting of electric level predeterming circuit 52, comparison circuit 53 is exported for representing the processing having through characteristic
The bad signal of partial quality.That is, by comparing reference image data corresponding with each pixel of CCD42b and detection one by one
View data, compares the level of two data corresponding with each pixel, even if when only one of which reaches more than allowance, also exporting
Bad signal.
Specifically, comparison circuit 53 carries out following first comparison, i.e. compare successively from benchmark according to each pixel
Reference image data and the inspection image data from the detection reading of memory 51 that memory 50 reads.Then, comparison circuit 53
Carry out following second comparison, i.e. compare the level difference of two signals obtained by the first comparison and from decision level
What initialization circuit 52 was exported allows level difference.Allow when the level difference that the result of second comparison is two signals is more than
During level difference, comparison circuit 53 export for be denoted as on the paper W of check object process with the processing department through characteristic
Divide bad bad signal.
Amendment circuit 58 adjusts the gain of amplifier 56 corresponding to the rotary speed for checking cylinder 45.That is, even if in coloured silk
When the incidence of color camera 42 has same light quantity, check that the rotary speed of cylinder 45 is faster, then the output level of CCD42b is less.Cause
This, by correcting circuit 58 impact of rotary speed is removed.The phase signal for checking cylinder 45 is provided to memory control
Device 55, comparison circuit 53, amendment circuit 58 and CCD controllers 59.A reference value storage signal is provided to Memory Controller 55.
Judge that commencing signal is provided to Memory Controller 55 and comparison circuit 53.
The rotary encoder of the rotatable phase of cylinder 45 is checked by detection(Omit diagram)Output signal generate phase place letter
Number, phase signal includes checking that cylinder 45 often rotates a circle the reference pulse of rising, and on checking cylinder 45 per certain revolution
The clock pulses for rising.A reference value storage signal is for reading in benchmark image to benchmark memory 50 by Memory Controller 55
The signal of data, by operator a reference value storage switch is operated(Omit diagram)And supply.Judge that commencing signal is indicated for
The signal that reference image data starts with the comparison of inspection image data, switchs by operator's operation judges(Omit
Diagram)And supply.
In the composition, as the pre-treatment of quality check procedures, it is taken into and processes on paper W with through characteristic
The corresponding reference image data in processing part.First, operator confirms the printing shape of paper W in the examination printing carried out using paper W
State.When confirming that the printing state is good, using the operation of a reference value storage switch, start to supply benchmark to control device 46
Value storage signal.If exporting the reference signal for representing the reference position for checking cylinder 45 from rotary encoder, start to be taken into
The reference image data of the paper W for keeping on cylinder 45/transporting is checked, and is stored to benchmark memory 50.
After the reference image data of the paper W for being kept/being transported by inspection cylinder 45 is stored in benchmark memory 50, pass through
Offer judges commencing signal and starts judgement process.It is same with the reading of reference image data first in the judgement is processed,
With the rotation, the reading detection for checking the paper W that cylinder 45 keeps/transports corresponding with detection memory 51 that check cylinder 45
View data.Then, will determine that the inspection image data read in during process is compared with the reference image data for prestoring,
Allow in level difference according to whether the level value of two data is converged in, judge paper W on process with the processing department through characteristic
Whether divide qualified.
As shown in figure 3, for example by the shooting of color camera 42, many pieces of scraps of paper on the paper W as check object
(Bank note and marketable securities etc.)In Wa, from UV-LED luminaire 41a, 41b be irradiated to the ultraviolet of imaging surface only transmit on paper W plus
Work with the processing part PE through characteristic, and be irradiated to the luminous processing unit 45a for checking cylinder 45, the then luminous place
Reason portion 45a lights.
Also, the light of the visible region for sending passes through ultraviolet cutoff wave filter 43(I.e. ultraviolet is cut off)And it is incident
Color camera 42.On the other hand, the other parts such as the pattern part VE for being printed by common visual ink are although directly reflect
Ultraviolet, but because its ultraviolet for reflecting is ended by ultraviolet cutoff wave filter 43, so dimmed.
Thereby, it is possible to detailed inspection watermark and security window etc. with the presence or absence of processing part PE through characteristic, profile
And position.
According to described the present embodiment, due to check device 40 can be utilized to check the processing part having through characteristic
PE, so the printing quality of paper W can be improved further.
In addition, the invention is not restricted to above-described embodiment, can carry out in the range of the invention thought without departing from the present invention
Various changes.
Industrial applicibility
The present invention sheet-shaped check device can apply to quality management it is strict carry out bank note and security printing etc.
The special printing machine of printing.
Claims (1)
1. a kind of sheet-shaped check device, is to implement the sheet-shaped check device with the processing through characteristic,
It is characterized in that including:
Supporting member, sends the material of the light of visible region when utilizing and irradiated by ultraviolet with the sheet-shaped relative face
Processed;
Light source, to the sheet-shaped irradiation bag light with violet rays;
Camera head, shoots described sheet-shaped;
Ultraviolet filter, by the ultraviolet of light reflecting from described sheet-shaped and described supporting member, from the light source
Line ends, and only makes the incident camera head of light of the wavelength length of wavelength ratio ultraviolet;And
Control device, using the incident camera head, the light of visible region that sends from the supporting member, judges institute
Whether the processing for stating sheet-shaped transmission characteristic is qualified.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012205373A JP5971800B2 (en) | 2012-09-19 | 2012-09-19 | Sheet inspection equipment |
JP2012-205373 | 2012-09-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103660550A CN103660550A (en) | 2014-03-26 |
CN103660550B true CN103660550B (en) | 2017-04-26 |
Family
ID=49170573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310415346.3A Expired - Fee Related CN103660550B (en) | 2012-09-19 | 2013-09-12 | Inspection apparatus for sheet |
Country Status (4)
Country | Link |
---|---|
US (1) | US8835876B2 (en) |
EP (1) | EP2711692B1 (en) |
JP (1) | JP5971800B2 (en) |
CN (1) | CN103660550B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013026791A1 (en) * | 2011-08-22 | 2013-02-28 | Windmöller & Hölscher Kg | Machine and method for printing webs of material |
US9656456B2 (en) * | 2011-08-22 | 2017-05-23 | Windmoeller & Hoelscher Kg | Machine and method for printing material webs |
CN103808658B (en) * | 2014-02-17 | 2015-12-30 | 中国人民银行印制科学技术研究所 | A kind of flaky material perspective pick-up unit |
JP2017127976A (en) * | 2016-01-18 | 2017-07-27 | 株式会社小森コーポレーション | Printer |
JP6658166B2 (en) * | 2016-03-18 | 2020-03-04 | コニカミノルタ株式会社 | Reading device, reading method, and reading program |
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CN1507606A (en) * | 2002-02-28 | 2004-06-23 | �ձ�����Ʊ���ʽ���� | Sheets fluorescence detecting sensor |
CN1619297A (en) * | 2003-11-21 | 2005-05-25 | 中国印钞造币总公司 | Device and method used for detecting flake material infrared image printing quality |
CN2831273Y (en) * | 2005-09-23 | 2006-10-25 | 中国印钞造币总公司 | Auto converter for optical filter of paper money discriminator |
CN102096962A (en) * | 2010-12-23 | 2011-06-15 | 北京新岸线软件科技有限公司 | Paper currency detecting method and device |
CN102592347A (en) * | 2012-02-24 | 2012-07-18 | 湖南丰汇银佳科技有限公司 | Method and device for carrying out identification of bank notes based on spectrum analysis technique |
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GB2047402B (en) * | 1979-03-06 | 1983-03-09 | De La Rue Thomas & Co Ltd | Watermark detection |
DE69221798T2 (en) * | 1991-09-18 | 1998-03-26 | Komori Printing Mach | Method and device for detecting defective printed matter in a printing press |
US5825945A (en) * | 1992-05-15 | 1998-10-20 | Unisys Corp | Document imaging with illumination from lambertian surfaces |
JP3827792B2 (en) * | 1997-01-28 | 2006-09-27 | グローリー工業株式会社 | Authenticity judgment device for paper sheets using a fluorescence sensor |
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US7706565B2 (en) * | 2003-09-30 | 2010-04-27 | Digimarc Corporation | Multi-channel digital watermarking |
KR101297702B1 (en) * | 2004-03-08 | 2013-08-22 | 카운슬 오브 사이언티픽 앤드 인더스트리얼 리서치 | Improved fake currency detector using integrated transmission and reflective spectral response |
US7715613B2 (en) * | 2006-09-08 | 2010-05-11 | Mark Dobbs | UV counterfeit currency detector |
RU2379194C1 (en) * | 2008-11-18 | 2010-01-20 | Федеральное Государственное Унитарное Предприятие "Гознак" (Фгуп "Гознак") | Valuable document with counterfeit protection (versions), method for counterfeit protection of valuable document (versions), device for visualisation and protective element (versions) |
JP5379525B2 (en) | 2009-03-19 | 2013-12-25 | 株式会社小森コーポレーション | Sheet quality inspection equipment |
JP2010243363A (en) * | 2009-04-07 | 2010-10-28 | Toshiba Corp | Fluorescence detection device |
JP5278905B2 (en) * | 2009-04-13 | 2013-09-04 | 独立行政法人 国立印刷局 | Quality inspection equipment |
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2012
- 2012-09-19 JP JP2012205373A patent/JP5971800B2/en not_active Expired - Fee Related
-
2013
- 2013-09-11 EP EP13183839.3A patent/EP2711692B1/en not_active Not-in-force
- 2013-09-12 CN CN201310415346.3A patent/CN103660550B/en not_active Expired - Fee Related
- 2013-09-18 US US14/030,587 patent/US8835876B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1507606A (en) * | 2002-02-28 | 2004-06-23 | �ձ�����Ʊ���ʽ���� | Sheets fluorescence detecting sensor |
CN1619297A (en) * | 2003-11-21 | 2005-05-25 | 中国印钞造币总公司 | Device and method used for detecting flake material infrared image printing quality |
CN2831273Y (en) * | 2005-09-23 | 2006-10-25 | 中国印钞造币总公司 | Auto converter for optical filter of paper money discriminator |
CN102096962A (en) * | 2010-12-23 | 2011-06-15 | 北京新岸线软件科技有限公司 | Paper currency detecting method and device |
CN102592347A (en) * | 2012-02-24 | 2012-07-18 | 湖南丰汇银佳科技有限公司 | Method and device for carrying out identification of bank notes based on spectrum analysis technique |
Also Published As
Publication number | Publication date |
---|---|
EP2711692A3 (en) | 2015-06-17 |
EP2711692B1 (en) | 2016-12-21 |
JP5971800B2 (en) | 2016-08-17 |
US8835876B2 (en) | 2014-09-16 |
EP2711692A2 (en) | 2014-03-26 |
JP2014059795A (en) | 2014-04-03 |
CN103660550A (en) | 2014-03-26 |
US20140077101A1 (en) | 2014-03-20 |
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